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Keywords:
Rayleigh equations; positive periodic solution; a priori estimate
Rayleigh equations; positive periodic solution; a priori estimate
Summary:
The existence of positive periodic solutions for a kind of Rayleigh equation with a deviating argument $$ x''(t)+ f(x'(t))+ g(t,x(t-\tau (t)))= p(t) $$ is studied. Using the coincidence degree theory, some sufficient conditions on the existence of positive periodic solutions are obtained.
References:
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